ID 1.3.1.45 DE 2'-hydroxyisoflavone reductase. CA (3R)-vestitone + NADP(+) = 2'-hydroxyformononetin + 2 H(+) + NADPH. CC -!- In the reverse reaction, a 2'-hydroxyisoflavone is reduced to an CC isoflavanone; 2'-hydroxypseudobaptigenin also acts. CC -!- Involved in the biosynthesis of the pterocarpin phytoalexins CC medicarpin and maackiain. DR Q00016, IFR_CICAR ; P52575, IFR_MEDSA ; P52576, IFR_PEA ; DR I1LHU6, IFR_SOYBN ; //